641407680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1304

約数の個数: 224

約数和(自身を含む): 2301727680

約数和(自身を除く): 1660320000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 64, 72, 80, 90, 96, 108, 120, 122, 135, 144, 160, 180, 183, 192, 216, 240, 244, 270, 288, 305, 320, 360, 366, 432, 480, 488, 540, 549, 576, 610, 720, 732, 864, 915, 960, 976, 1080, 1098, 1217, 1220, 1440, 1464, 1647, 1728, 1830, 1952, 2160, 2196, 2434, 2440, 2745, 2880, 2928, 3294, 3651, 3660, 3904, 4320, 4392, 4868, 4880, 5490, 5856, 6085, 6588, 7302, 7320, 8235, 8640, 8784, 9736, 9760, 10953, 10980, 11712, 12170, 13176, 14604, 14640, 16470, 17568, 18255, 19472, 19520, 21906, 21960, 24340, 26352, 29208, 29280, 32859, 32940, 35136, 36510, 38944, 43812, 43920, 48680, 52704, 54765, 58416, 58560, 65718, 65880, 73020, 74237, 77888, 87624, 87840, 97360, 105408, 109530, 116832, 131436, 131760, 146040, 148474, 164295, 175248, 175680, 194720, 219060, 222711, 233664, 262872, 263520, 292080, 296948, 328590, 350496, 371185, 389440, 438120, 445422, 525744, 527040, 584160, 593896, 657180, 668133, 700992, 742370, 876240, 890844, 1051488, 1113555, 1168320, 1187792, 1314360, 1336266, 1484740, 1752480, 1781688, 2004399, 2102976, 2227110, 2375584, 2628720, 2672532, 2969480, 3340665, 3504960, 3563376, 4008798, 4454220, 4751168, 5257440, 5345064, 5938960, 6681330, 7126752, 8017596, 8908440, 10021995, 10514880, 10690128, 11877920, 13362660, 14253504, 16035192, 17816880, 20043990, 21380256, 23755840, 26725320, 32070384, 35633760, 40087980, 42760512, 53450640, 64140768, 71267520, 80175960, 106901280, 128281536, 160351920, 213802560, 320703840, 641407680]

約数ペア:

[(1, 641407680), (2, 320703840), (3, 213802560), (4, 160351920), (5, 128281536), (6, 106901280), (8, 80175960), (9, 71267520), (10, 64140768), (12, 53450640), (15, 42760512), (16, 40087980), (18, 35633760), (20, 32070384), (24, 26725320), (27, 23755840), (30, 21380256), (32, 20043990), (36, 17816880), (40, 16035192), (45, 14253504), (48, 13362660), (54, 11877920), (60, 10690128), (61, 10514880), (64, 10021995), (72, 8908440), (80, 8017596), (90, 7126752), (96, 6681330), (108, 5938960), (120, 5345064), (122, 5257440), (135, 4751168), (144, 4454220), (160, 4008798), (180, 3563376), (183, 3504960), (192, 3340665), (216, 2969480), (240, 2672532), (244, 2628720), (270, 2375584), (288, 2227110), (305, 2102976), (320, 2004399), (360, 1781688), (366, 1752480), (432, 1484740), (480, 1336266), (488, 1314360), (540, 1187792), (549, 1168320), (576, 1113555), (610, 1051488), (720, 890844), (732, 876240), (864, 742370), (915, 700992), (960, 668133), (976, 657180), (1080, 593896), (1098, 584160), (1217, 527040), (1220, 525744), (1440, 445422), (1464, 438120), (1647, 389440), (1728, 371185), (1830, 350496), (1952, 328590), (2160, 296948), (2196, 292080), (2434, 263520), (2440, 262872), (2745, 233664), (2880, 222711), (2928, 219060), (3294, 194720), (3651, 175680), (3660, 175248), (3904, 164295), (4320, 148474), (4392, 146040), (4868, 131760), (4880, 131436), (5490, 116832), (5856, 109530), (6085, 105408), (6588, 97360), (7302, 87840), (7320, 87624), (8235, 77888), (8640, 74237), (8784, 73020), (9736, 65880), (9760, 65718), (10953, 58560), (10980, 58416), (11712, 54765), (12170, 52704), (13176, 48680), (14604, 43920), (14640, 43812), (16470, 38944), (17568, 36510), (18255, 35136), (19472, 32940), (19520, 32859), (21906, 29280), (21960, 29208), (24340, 26352)]